non-metallic building materials, namely, pre-fabricated and/or pre-molded buildings, structures and modules, used in hydraulic installations; non metallic rigid pipe for buildings, namely, gutter pipes; non metal rigid pipes for buildings, namely, cement, earthenware and sandstone pipes; asphalt, pitch, bitumen asphalt, bitumen-based sealants for hydraulic installations; portable non metal buildings; non metal monuments, namely, pre-fabricated and/or pre-molded buildings, structures and modules used in hydraulic installations; building and paving material, namely, pre-fabricated and/or pre-molded buildings, structures and modules for use in hydraulic installations